chore: update import style (#4431)

Author: yuluo-yx

spring-ai-alibaba-graph-core/src/main/java/com/alibaba/cloud/ai/graph/ProcessedNodesEdgesAndConfig.java

@@ -163,9 +163,8 @@ static ProcessedNodesEdgesAndConfig process(StateGraph stateGraph, CompileConfig
 			//
 			// Process nodes
 			//
-			processedSubGraphNodes.elements.stream().map(n -> {
-				return n.withIdUpdated(subgraphNode::formatId);
-			}).forEach(nodes.elements::add);
+			processedSubGraphNodes.elements.stream().map(n -> n.withIdUpdated(subgraphNode::formatId))
+                    .forEach(nodes.elements::add);
 		}
 
 		return new ProcessedNodesEdgesAndConfig(nodes, edges, interruptsBefore, interruptsAfter, keyStrategyMap);

spring-ai-alibaba-graph-core/src/main/java/com/alibaba/cloud/ai/graph/StateGraph.java

@@ -33,7 +33,16 @@
 import com.alibaba.cloud.ai.graph.state.AgentStateFactory;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
 
 import static java.util.concurrent.CompletableFuture.completedFuture;
 

spring-ai-alibaba-graph-core/src/main/java/com/alibaba/cloud/ai/graph/store/stores/DatabaseStore.java

@@ -19,8 +19,19 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import javax.sql.DataSource;
-import java.sql.*;
-import java.util.*;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.sql.Timestamp;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
 import java.util.concurrent.locks.ReadWriteLock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 import java.util.stream.Collectors;